SEALING ARRANGEMENT FOR HIGH-TEMPERATURE FUEL CELL STACK
    1.
    发明申请
    SEALING ARRANGEMENT FOR HIGH-TEMPERATURE FUEL CELL STACK 有权
    密封装置用于高温燃料电池堆叠

    公开(公告)号:US20110003228A1

    公开(公告)日:2011-01-06

    申请号:US12735643

    申请日:2009-02-18

    摘要: Disclosed is a sealing assembly for metal components, wherein the sealing assembly has an electrical insulating effect, and wherein the sealing assembly comprises a ceramic layer and a base brazing material disposed thereon, to which germanium is added. The addition of germanium advantageously ranges from 0.1 to 5.0 mol %, and preferably between 0.5 and 2.5 mol %. A particular embodiment provides for the use of a brazing material which additionally comprises silicon in the range of>0 to 2.5 mol %, and preferably between 0.1 and 0.9 mol %. Furthermore, a brazing material having a further addition of 10 to 40% by volume of Al2TiO5, and preferably between 20 and 30% by volume of Al2TiO5, has proven to be particularly suited for the sealing assembly. The use of the special brazing material composition inside the sealing assembly generally results in reproducibly tight and insulating joints having the following properties: a) escape of brazing material is prevented and running of brazing material is reduced, b) the porosity of the brazing material (primarily individual pores or narrow pore lines) is markedly reduced, c) the brazed joints have sufficient electrical resistance, and d) the brazed joints are generally sufficiently gas-tight (leakage rate during He leakage test

    摘要翻译: 公开了一种用于金属部件的密封组件,其中所述密封组件具有电绝缘效果,并且其中所述密封组件包括设置在其上的陶瓷层和基底钎焊材料,添加有锗。 锗的添加有利地为0.1〜5.0摩尔%,优选为0.5〜2.5摩尔%。 一个特定的实施方案提供了使用另外包含在0至2.5摩尔%范围内,优选0.1至0.9摩尔%范围内的硅的钎焊材料。 此外,已经证明特别适合于密封组件的具有10至40体积%的Al 2 TiO 5,优选20至30体积%的Al 2 TiO 5的钎焊材料。 在密封组件内部使用特殊的钎焊材料组合物通常导致具有以下特性的可再现紧密和绝缘的接头:a)防止钎焊材料的逸出并减少钎焊材料的运行,b)钎焊材料的孔隙率 主要是单独的孔或细孔线)明显减少,c)钎焊接头具有足够的电阻,d)钎焊接头通常充分气密(He泄漏试验时的泄漏率<10-3 mbar * 1 * s -1)。

    Sealing assembly for a fuel cell stack and method for manufacturing a fuel cell stack
    2.
    发明申请
    Sealing assembly for a fuel cell stack and method for manufacturing a fuel cell stack 有权
    用于燃料电池堆的密封组件和用于制造燃料电池堆的方法

    公开(公告)号:US20100310964A1

    公开(公告)日:2010-12-09

    申请号:US12804961

    申请日:2010-08-03

    IPC分类号: H01M8/24 B23K31/02 B23K1/00

    摘要: In order to provide a sealing assembly for a fuel cell stack comprising a plurality of fuel cell units, which are arranged consecutively in a stacking direction, wherein each of the fuel cell units comprises a housing with at least one housing part made of a metallic material, which also has an adequate electrical insulation effect and an adequate mechanical strength at a high operating temperature of the fuel cell stack, it is proposed that the sealing assembly comprises at least one intermediate element made of a metallic material, wherein the intermediate element is soldered to a housing part of a first fuel cell unit at least one location by means of a metal solder and is secured to a housing part of a second fuel cell unit at least another location, wherein the intermediate element and/or the housing part of the first fuel cell unit is provided with a coating made of a ceramic material.

    摘要翻译: 为了提供一种用于燃料电池堆的密封组件,其包括在层叠方向上连续布置的多个燃料电池单元,其中每个燃料电池单元包括具有至少一个由金属材料制成的壳体部分的壳体 ,其在燃料电池堆的高工作温度下也具有足够的电绝缘效果和足够的机械强度,所以建议密封组件包括至少一个由金属材料制成的中间元件,其中中间元件被焊接 通过金属焊料连接到第一燃料电池单元的至少一个位置的壳体部分,并且至少另一位置固定到第二燃料电池单元的壳体部分,其中中间元件和/或壳体部分 第一燃料电池单元设置有由陶瓷材料制成的涂层。

    Method of producing a sealing arrangement for a fuel cell stack and a sealing arrangement for a fuel cell stack
    3.
    发明申请
    Method of producing a sealing arrangement for a fuel cell stack and a sealing arrangement for a fuel cell stack 失效
    制造用于燃料电池堆的密封装置和用于燃料电池堆的密封装置的方法

    公开(公告)号:US20070065707A1

    公开(公告)日:2007-03-22

    申请号:US11516962

    申请日:2006-09-07

    IPC分类号: H01M2/08 B05D5/12 H01M8/02

    摘要: In order to provide a method of producing an electrically insulating sealing arrangement for a fuel cell stack which comprises a plurality of fuel cell units that succeed one another along a stack direction by means of which the housings of the fuel cell units are connectable to one another in such a way that an adequate electrically insulating effect and adequate mechanical rigidity are ensured even at the high operating temperature, it is proposed that the method comprise the following process steps: producing a ceramic metal layer from a mixture of a ceramic material and a metal material and/or a metal precursor; and at least partially converting the metal of the ceramic metal layer into an electrically non conductive metal compound so as to produce a non conductive boundary layer.

    摘要翻译: 为了提供一种制造用于燃料电池堆的电绝缘密封装置的方法,其包括多个燃料电池单元,所述多个燃料电池单元沿着堆叠方向彼此成功连接,借助该燃料电池单元,燃料电池单元的壳体可彼此连接 以这样的方式即使在高工作温度下仍能确保足够的电绝缘效果和足够的机械刚性,建议该方法包括以下工艺步骤:从陶瓷材料和金属的混合物制备陶瓷金属层 材料和/或金属前体; 并且至少部分地将所述陶瓷金属层的金属转化为非导电金属化合物,以便产生非导电边界层。

    Flat gasket
    4.
    发明授权
    Flat gasket 失效
    平垫圈

    公开(公告)号:US06343795B1

    公开(公告)日:2002-02-05

    申请号:US09468150

    申请日:1999-12-21

    IPC分类号: F16J1508

    摘要: Flat gasket, in particular, cylinder head gasket with a gasket plate which has at least one aperture and at least one sheet-metal layer which is provided with a bead surrounding the aperture, as well as with a stopper device preventing any excessive bead deformation; so that the sheet-metal layer does not tear even during dynamic pressure loads on the bead in the bead area which accompany a considerable flattening of the bead, the recess formed by the bead is filled over at least a considerable part of its depth with an elastomeric material which has appreciable flow properties under pressure even at ambient temperature (21° C.), i.e. is plastically deformable to a not inconsiderable extent.

    摘要翻译: 平垫圈,特别是具有至少一个孔的垫片板的气缸盖衬垫和至少一个设置有围绕孔的胎圈的金属片以及防止任何过度的胎圈变形的止动装置; 使得即使在伴随着胎圈的相当扁平化的胎圈区域中的胎圈上的动态压力负载下,片状金属层也不会撕裂,由胎圈形成的凹部在至少相当大的一部分深度上被填充, 弹性体材料,即使在环境温度(21℃)下也具有明显的流动性能,即可塑性变形至不可忽视的程度。

    Sealing assembly for a fuel cell stack
    6.
    发明授权
    Sealing assembly for a fuel cell stack 有权
    用于燃料电池堆的密封组件

    公开(公告)号:US08663864B2

    公开(公告)日:2014-03-04

    申请号:US12804961

    申请日:2010-08-03

    IPC分类号: H01M2/20

    摘要: In a fuel cell stack having a plurality of fuel cell units, which are arranged consecutively in a stacking direction, wherein each of the fuel cell units comprises a housing with at least one housing part made of a metallic material, which has an adequate electrical insulation effect and an adequate mechanical strength at a high operating temperature of the fuel cell stack, a sealing assembly is provided and comprises at least one intermediate element made of a metallic material, wherein the intermediate element is soldered to a housing part of a first fuel cell unit at at least one location by a metal solder and is secured to a housing part of a second fuel cell unit at at least another location, wherein the intermediate element and/or the housing part of the first fuel cell unit is provided with a coating made of a ceramic material.

    摘要翻译: 在具有沿层叠方向连续布置的多个燃料电池单元的燃料电池堆中,其中每个燃料电池单元包括具有至少一个由金属材料制成的壳体部分的壳体,该壳体部分具有足够的电绝缘 效果和在燃料电池堆的高操作温度下的足够的机械强度,提供密封组件,并且包括至少一个由金属材料制成的中间元件,其中中间元件被焊接到第一燃料电池的壳体部分 在至少一个位置处通过金属焊料单元,并且在至少另一位置处固定到第二燃料电池单元的壳体部分,其中第一燃料电池单元的中间元件和/或壳体部分设置有涂层 由陶瓷材料制成。

    Method of producing a sealing arrangement for a fuel cell stack and a sealing arrangement for a fuel cell stack
    7.
    发明授权
    Method of producing a sealing arrangement for a fuel cell stack and a sealing arrangement for a fuel cell stack 失效
    制造用于燃料电池堆的密封装置和用于燃料电池堆的密封装置的方法

    公开(公告)号:US07550018B2

    公开(公告)日:2009-06-23

    申请号:US11516962

    申请日:2006-09-07

    IPC分类号: H01M4/82 H01M2/08

    摘要: A method is provided for producing an electrically insulating sealing arrangement for a fuel cell stack which comprises a plurality of fuel cell units that succeed one another along a stack direction by means of which the housings of the fuel cell units are connectable to one another in such a way that an adequate electrically insulating effect and adequate mechanical rigidity are ensured even at the high operating temperature.The method involves producing a ceramic metal layer and at least partially converting the metal of the ceramic metal layer into an electrically non conductive compound so as to produce a non conductive boundary layer.

    摘要翻译: 提供了一种用于制造用于燃料电池堆的电绝缘密封装置的方法,该燃料电池堆包括多个燃料电池单元,所述多个燃料电池单元沿着堆叠方向彼此相继地继续,燃料电池单元的壳体可以彼此连接 即使在高工作温度下也能确保足够的电绝缘效果和足够的机械刚性。 该方法包括制备陶瓷金属层并且至少部分地将陶瓷金属层的金属转化为非导电化合物以产生非导电边界层。

    Component of a fuel cell unit
    9.
    发明申请
    Component of a fuel cell unit 审中-公开
    燃料电池单元的部件

    公开(公告)号:US20050153188A1

    公开(公告)日:2005-07-14

    申请号:US11008059

    申请日:2004-12-09

    摘要: In order to provide a component of a fuel cell unit that has an electric insulation effect at the operating temperature of the fuel cell unit and that has an adequate electrically insulating effect and an adequate mechanical strength also at a high operating temperature of the fuel cell unit, it is proposed that the component comprises a basic body and at least one electrically insulating insulation layer, which is disposed on the basic body and contains aluminium oxide, wherein the insulation layer is produced by anodizing an aluminium-containing layer disposed on the basic body.

    摘要翻译: 为了提供在燃料电池单元的工作温度下具有电绝缘效果并且在燃料电池单元的高工作温度下也具有足够的电绝缘效果和足够的机械强度的燃料电池单元的部件 提出,该组件包括基体和至少一个电绝缘层,其设置在基体上并含有氧化铝,其中绝缘层通过阳极氧化设置在基体上的含铝层制成 。

    Method for producing a soldered joint between a substrate and a contact element of a fuel cell unit
    10.
    发明申请
    Method for producing a soldered joint between a substrate and a contact element of a fuel cell unit 审中-公开
    在基板和燃料电池单元的接触元件之间制造焊接接头的方法

    公开(公告)号:US20050067471A1

    公开(公告)日:2005-03-31

    申请号:US10941483

    申请日:2004-09-15

    摘要: In order to provide a method for producing a soldered joint between a substrate for at least one electrode and a contact element of a fuel cell unit which results in the substrate being reliably soldered to the contact element but without impairing the functioning of the substrate by surplus solder material, it is proposed that the method for producing the soldered joint between the substrate and the contact element comprise the following process steps: applying a mixture, which comprises a soldering material and a bonding agent wherein the proportion of the solder material in the mixture amounts to at most approximately 60 percent by weight, to the contact element and/or the substrate; bringing the substrate and the contact element into contact; soldering the substrate and the contact element by heating them up to a soldering temperature.

    摘要翻译: 为了提供一种用于在用于至少一个电极的基板和燃料电池单元的接触元件之间制造焊接接头的方法,其导致基板被可靠地焊接到接触元件,但是不损害基板的功能 焊料材料,提出用于在基板和接触元件之间制造焊接接头的方法包括以下工艺步骤:施加包含焊接材料和粘合剂的混合物,其中混合物中焊料材料的比例 相对于接触元件和/或基底为至多约60重量% 使基板和接触元件接触; 通过将基板和接触元件加热焊接到焊接温度来焊接。